Home / 7,427.18-10,249.64-4,069.77

Finding the Fourth Proportional to 7,427.18, 10,249.64 and 4,069.77

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Solution

The fourth proportional to 7,427.18, 10,249.64 and 4,069.77 is: 5,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.18 : 10,249.64 = 4,069.77 : x
  2. Step 2: Convert to fraction form
    7,427.18/10,249.64 = 4,069.77/x
  3. Step 3: Cross multiply
    7,427.18x = 10,249.64 × 4,069.77
  4. Step 4: Simplify right side
    7,427.18x = 41,713,657.03
  5. Step 5: Solve for x
    x = 41,713,657.03/7,427.18
  6. Step 6: Final answer
    x = 5,616.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.